Company Skotos Tech created these great apps:
3.5e Fantasy RPG Experience Calculator, Reiner Knizia's Money, Reiner Knizia's High Society, Reiner Knizia's Kingdoms, Michael Schacht's Gold!, Reiner Knizia's Modern Art: The Card Game, Reiner Knizia's Money, Michael Schacht's Web of Power Card Game: The Duel, Reiner Knizia's Masters Gallery, Kingdoms Lite, and others..
